Question

What is the 6th term of the A.P. 12, 9, 6, ...​

Answer 1

Step-by-step explanation:

in the above a.p

a=12

d=9-12=-3

now,

tn=a+(n-1)d

t6=12+(9-1)-3

t6=12+8×-3

t6=12-24

t6=-12

hence,the 6th term is -12

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